Measuring Time

This is an activity about the measurement of time. Learners model the rotation of Earth over one day by holding a flashlight for the Sun and a blow up globe, and record their observations. Then, they use those observations to create devices that... (View More) will track time and test their devices outside. This final part of this activity requires access to a sunny outdoor location for an extended period of time so learners can test their time measurement devices. (View Less)